do test pipes really kill your torque? someone said that and im putting an mrev2 + plenum spacer & i dont wana give any of the torque im getting from it up to test pipes

 

Typically you will loose a little low-end torque but you will have a great mid-top end power gain with test pipes. Have you considered a good set of Metallic high-flow cats? They offer the best of both worlds and normally give you a power gain throughout. And they do not have the stink / unburt fuel smell typical with test pipes.

Here is a link to the Metallic high-flows we offer:

http://www.alteredatmosphere.com/mm5..._Code=350Z_EXH

Hope this helps,